101212311099 has 8 divisors (see below), whose sum is σ = 134952813072. Its totient is φ = 67473341600.

The previous prime is 101212311089. The next prime is 101212311107. The reversal of 101212311099 is 990113212101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101212311099 - 2¹² = 101212307003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101212311019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218964 + ... + 500369.

It is an arithmetic number, because the mean of its divisors is an integer number (16869101634).

Almost surely, 2^101212311099 is an apocalyptic number.

101212311099 is a deficient number, since it is larger than the sum of its proper divisors (33740501973).

101212311099 is an equidigital number, since it uses as much as digits as its factorization.

101212311099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766237.

The product of its (nonzero) digits is 972, while the sum is 30.

The spelling of 101212311099 in words is "one hundred one billion, two hundred twelve million, three hundred eleven thousand, ninety-nine".